Keycloak is an open source Identity and Access Management solution aimed at modern applications and services. It makes it easy to secure applications and services with little to no code.

1. Install and run keycloak

2. Obtain JWT AccessToken From Keycloak

3. Keycloak openid connect discovery

4. Secure Spring boot REST API with Keycloak

5. Secure Spring boot REST API with Keycloak using roles

6. Spring security with Keycloak using oauth2

7. Spring security with Keycloak using oauth2 and roles

8. Secure API with spring method security

9. Keycloak custom user attributes

10. Keycloak custom user attributes with preauthorize